Please use this identifier to cite or link to this item:
http://dspace.library.iitb.ac.in/jspui/handle/100/888

Title:

Transformation studies in pyranocoumarins .3. Rearrangement of 10-acetoxy-9,10-dihydro-8,8-dimethylbenzo[1,2-b-3,4-b']dipyran-2(h),9(h)-dione to 8,9-dihydro-8-hydroxy-8-isopropylfuro[2,3-h]-1-benzopyran-2(h),9(h)-dione in alkaline-medium